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36 
37 #ifndef QQUICKLABEL_P_P_H
38 #define QQUICKLABEL_P_P_H
39 
40 //
41 //  W A R N I N G
42 //  -------------
43 //
44 // This file is not part of the Qt API.  It exists purely as an
45 // implementation detail.  This header file may change from version to
46 // version without notice, or even be removed.
47 //
48 // We mean it.
49 //
50 
51 #include <QtQml/private/qlazilyallocated_p.h>
52 #include <QtQuick/private/qquicktext_p_p.h>
53 #include <QtQuick/private/qquickitemchangelistener_p.h>
54 #include <QtQuickTemplates2/private/qquickdeferredpointer_p_p.h>
55 
56 #if QT_CONFIG(accessibility)
57 #include <QtGui/qaccessible.h>
58 #endif
59 
60 QT_BEGIN_NAMESPACE
61 
62 class QQuickLabelPrivate : public QQuickTextPrivate, public QQuickItemChangeListener
63 #if QT_CONFIG(accessibility)
64     , public QAccessible::ActivationObserver
65 #endif
66 {
67     Q_DECLARE_PUBLIC(QQuickLabel)
68 
69 public:
70     QQuickLabelPrivate();
71     ~QQuickLabelPrivate();
72 
get(QQuickLabel * item)73     static QQuickLabelPrivate *get(QQuickLabel *item)
74     {
75         return static_cast<QQuickLabelPrivate *>(QObjectPrivate::get(item));
76     }
77 
getInset()78     inline QMarginsF getInset() const { return QMarginsF(getLeftInset(), getTopInset(), getRightInset(), getBottomInset()); }
getTopInset()79     inline qreal getTopInset() const { return extra.isAllocated() ? extra->topInset : 0; }
getLeftInset()80     inline qreal getLeftInset() const { return extra.isAllocated() ? extra->leftInset : 0; }
getRightInset()81     inline qreal getRightInset() const { return extra.isAllocated() ? extra->rightInset : 0; }
getBottomInset()82     inline qreal getBottomInset() const { return extra.isAllocated() ? extra->bottomInset : 0; }
83 
84     void setTopInset(qreal value, bool reset = false);
85     void setLeftInset(qreal value, bool reset = false);
86     void setRightInset(qreal value, bool reset = false);
87     void setBottomInset(qreal value, bool reset = false);
88 
89     void resizeBackground();
90 
91     void resolveFont();
92     void inheritFont(const QFont &font);
93     void updateFont(const QFont &font);
setFont_helper(const QFont & font)94     inline void setFont_helper(const QFont &font) {
95         if (sourceFont.resolve() == font.resolve() && sourceFont == font)
96             return;
97         updateFont(font);
98     }
99 
100     void resolvePalette();
101     void inheritPalette(const QPalette &palette);
102     void updatePalette(const QPalette &palette);
setPalette_helper(const QPalette & palette)103     inline void setPalette_helper(const QPalette &palette) {
104         if (resolvedPalette.resolve() == palette.resolve() && resolvedPalette == palette)
105             return;
106         updatePalette(palette);
107     }
108 
109     void textChanged(const QString &text);
110 
111 #if QT_CONFIG(accessibility)
112     void accessibilityActiveChanged(bool active) override;
113     QAccessible::Role accessibleRole() const override;
114     void maybeSetAccessibleName(const QString &name);
115 #endif
116 
117     void cancelBackground();
118     void executeBackground(bool complete = false);
119 
120     void itemGeometryChanged(QQuickItem *item, QQuickGeometryChange change, const QRectF &diff) override;
121     void itemImplicitWidthChanged(QQuickItem *item) override;
122     void itemImplicitHeightChanged(QQuickItem *item) override;
123     void itemDestroyed(QQuickItem *item) override;
124 
125     struct ExtraData {
126         bool hasTopInset = false;
127         bool hasLeftInset = false;
128         bool hasRightInset = false;
129         bool hasBottomInset = false;
130         bool hasBackgroundWidth = false;
131         bool hasBackgroundHeight = false;
132         qreal topInset = 0;
133         qreal leftInset = 0;
134         qreal rightInset = 0;
135         qreal bottomInset = 0;
136         QFont requestedFont;
137         QPalette requestedPalette;
138     };
139     QLazilyAllocated<ExtraData> extra;
140 
141     bool resizingBackground = false;
142     QPalette resolvedPalette;
143     QQuickDeferredPointer<QQuickItem> background;
144 };
145 
146 QT_END_NAMESPACE
147 
148 #endif // QQUICKLABEL_P_P_H
149